xf86-video-intel: Fixed cross-compile patch to apply to version 2.4.2

--- xf86-video-intel-2.4.2/configure.ac.orig	2007-06-10 20:59:27.000000000 +0200

+++ xf86-video-intel-2.4.2/configure.ac	2007-06-10 20:59:50.000000000 +0200

@@ -92,13 +92,14 @@ AC_HEADER_STDC

diff -ruN xf86-video-intel-2.4.2/configure.ac xf86-video-intel-2.4.2-patched/configure.ac

--- xf86-video-intel-2.4.2/configure.ac	2008-08-26 03:28:31.000000000 +0200

+++ xf86-video-intel-2.4.2-patched/configure.ac	2009-07-27 13:39:49.000000000 +0200

@@ -91,6 +91,7 @@

 # Checks for header files.

 AC_HEADER_STDC

 AC_MSG_CHECKING([whether to include DRI support])

 if test x$DRI = xauto; then

+if test "$cross_compiling" = "no" ; then

 if test x$DRI != xno; then

         AC_CHECK_FILE([${sdkdir}/dri.h],

                       [have_dri_h="yes"], [have_dri_h="no"])

         AC_CHECK_FILE([${sdkdir}/sarea.h],

                       [have_sarea_h="yes"], [have_sarea_h="no"])

         AC_CHECK_FILE([${sdkdir}/dristruct.h],

                       [have_dristruct_h="yes"], [have_dristruct_h="no"])

-	AC_CHECK_FILE([${sdkdir}/damage.h],

+		AC_CHECK_FILE([${sdkdir}/damage.h],

                       [have_damage_h="yes"], [have_damage_h="no"])

         if test "$have_dri_h" = yes -a \

@@ -108,6 +109,12 @@ if test x$DRI = xauto; then

         else

@@ -111,6 +112,14 @@

                 DRI="no"

         fi

 fi

+else

+if test x$DRI != xno; then

+	have_dri_h="yes"

+	have_sarea_h="yes"

+	have_dristruct_h="yes"

+	DRI="yes"

+fi

 fi

+fi

 AC_MSG_RESULT([$DRI])

 save_CFLAGS="$CFLAGS"